CUET QuestionsPhysics

362 solved questions with detailed explanations

161

Q14. What is the value of Vo if the silicon diode starts conducting at 0.7 V while the Germanium start conducting at 0.3 V? [Circuit diagram showing a 12V source, 5kΩ resistor, Silicon diode, and Germ

CUET UGPhysics
162

Q26. In a hydrogen atom an electron makes a transition from n₁ → n₂, where n₁ and n₂ are the principal quantum numbers of these two states. Assuming Bohr's model to be valid, if the time period of ele

CUET UGPhysics
163

Q19. After how many half-lives a radioactive substance will decay to 6.25% of its original value: (a) One half life (b) Two half lives (c) Three half lives (d) Four half lives

CUET UGPhysics
164

Q35. If charge is moving parallel to uniform magnetic field, its path will be:

CUET UGPhysics
165

Q50. Match List - I with List - II. List - I (A) ∮ B ⋅ ds = 0 (B) Directional properly of freely suspended magnet (C) Never intersect each other (D) Magnetic field of earth List - II (I) magnetic fiel

CUET UGPhysics
166

Q49. Current carrying wire produces:

CUET UGPhysics
167

Q40. Match List - I with List - II. List - I (A) Electric Field (B) Electric Flux (C) Electric Dipole Moment (D) Area Vector Element List - II (I) [LTA] (II) [L²] (III) [ML³ T⁻³ A⁻¹] (IV) [MLT⁻³ A⁻¹]

CUET UGPhysics
168

Q10. The metre bridge wire is made of alloys such as nichrome because they have: (a) high temperature coefficient of resistance and high resistivity (b) low temperature coefficient of resistance and l

CUET UGPhysics
169

Q11. Match List - I with List - II. LIST - I (A) Purely resistive AC circuit (B) Purely inductive or capacitive AC circuit (C) LCR series AC circuit (D) Power dissipated at resonance in LCR series cir

CUET UGPhysics
170

Q4. Which of the following pair of nuclides are Isobars?

CUET UGPhysics